Results 311 to 320 of about 8,469,152 (382)

A contrast sensitivity model of the human visual system in modern conditions for presenting video content. [PDF]

PLoS One
Mozhaeva A, Cree MJ, Durrant RJ, Vlasuyk I, Potashnikov A, Mazin V, Streeter L.   +6 more
europepmc   +1 more source

Mapping Visual Contrast Sensitivity and Vision Loss Across the Visual Field with Model-Based fMRI

Chow-Wing-Bom HT, Lisi M, Benson NC, Lygo-Frett F, Yu-Wai-Man P, Dick F, Maimon-Mor RO, Dekker TM.   +7 more
europepmc   +1 more source

Correlation between contrast sensitivity and national eye institute visual function questionnaire (NEI VFQ-25) Rasch scores in patients with open-angle glaucoma: A cross-sectional study. [PDF]

BMC Ophthalmol
Nakano R, Igarashi R, Akagi T, Sakaue Y, Iikawa R, Tazawa A, Kamada K, Arimatsu M, Togano T, Fukuchi T.   +9 more
europepmc   +1 more source

Modeling spatial contrast sensitivity in responses of primate retinal ganglion cells to natural movies

Sridhar S, Vystrčilová M, Khani MH, Karamanlis D, Schreyer HM, Ramakrishna V, Krüppel S, Zapp SJ, Mietsch M, Ecker AS, Gollisch T.   +10 more
europepmc   +1 more source

Contrast Sensitivity and Glaucoma

Journal of Glaucoma, 2019
Spatial contrast sensitivity decline occurs in different types and stages of glaucoma. In this short review we discuss methods of assessing contrast sensitivity, the role of contrast sensitivity in the pathogenesis of glaucoma and its practical application in clinical practice.
Parul Ichhpujani, George L Spaeth, Sahil Thakur   +2 more
openaire   +3 more sources

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Contrast sensitivity in children

Vision Research, 1982
We have used a spatial two-alternative, forced-choice staircase technique to measure contrast sensitivities for sinusoidally modulated gratings. Subjects, all of whom were untrained observers, consisted of children of ages 2-16 yr and adults. Our testing method was completely successful with children who were over 3.5 yr but failed with those below 2.5
Ralph D. Freeman, Arthur Bradley
openaire   +3 more sources

Contrast sensitivity in dyslexia

Visual Neuroscience, 1995
AbstractContrast sensitivity was determined for dyslexic and normal readers. When testing with temporally ramped (i.e. stimuli with gradual temporal onsets and offsets) gratings of 0.6, 4.0, and 12.0 cycles/deg, we found no difference in contrast sensitivity between dyslexic readers and controls.
Mark T. Dunbar, Robert W Lingua, Mark Rabin, Ranjan Duara, Bonnie Jallad, Herbert A. Lubs, Karen Gross-Glenn, Bonnie E. Levin, Bernt C. Skottun, Alex Kushch, Lesley A. Parke, William E. Glenn   +11 more
openaire   +3 more sources

Contrast sensitivity

Ophthalmology Clinics of North America, 2003
Spatial contrast is a physical dimension referring to the light-dark transition of a border or an edge in an image that delineates the existence of a pattern or an object. Contrast sensitivity refers to a measure of how much contrast a person requires to see a target.
openaire   +2 more sources